SECTION REVOLUTION

 

Description: This function creates a surface by rotating a selected section line (the generatrix) up to 360º about a vector (the axis of revolution).

 

Usage:

 

1.          DSI prompts:

>         SELECT THE AXIS OF REVOLUTION

>       SELECT THE FIRST POINT FOR THE AXIS

?       ABORT

     LINE (TWO POINTS)

  •      The user may select a line, defined by only two points, to be the axis of revolution.

     TWO POINTS

  •      Default.

     REJECT LAST POINT

     UNDO

     EXIT

             •       The user has been prompted to select the first of two points required to define the axis of revolution. Once the first point has been selected, DSI prompts:

>         SELECT THE SECOND POINT FOR THE AXIS

•     The user selects the second point, then DSI displays a vector representing the axis of revolution.

>          SELECT A LINE AS THE GENERATRIX OF REVOLUTION

?       LINE (default)

                 SEGMENT (allows user to combine line segments into one line)

      REJECT (rejects last selection)

      DONE

 

2.          DSI prompts:

>          ENTER START AND END ANGLE [DEFAULT: 0., 360.]

•     The user may enter a desired start angle and end angle to generate a surface or press ENTER to generate a 360 degree angle.